With Manufacturer Scan Tool

Diagnostic Trouble Code (DTC) Memory, Checking (function 02)


NOTE: DTCs stored in memory along with corresponding malfunction descriptions can only be displayed by initiating the On Board Diagnostic program and checking DTC memory (function 02).


- Connect VAG 1551 Scan Tool, select operating mode 1 "Rapid data transfer", switch on ignition and enter address word 19, "Gateway".
- Press -Q- button to confirm input.
- Press -> button until "Select function" appears in display.
- Switch on printer with the PRINT button (indicator lamp in button lights up).

Indicated on display:


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -2- to select "Check DTC memory" function 02.

Indicated on display:


Rapid data transfer Q
02 - Check DTC memory


- Press -Q- button to confirm input.

The number of stored DTCs appears in the display.


X DTC's recognized!


Stored DTCs are displayed and printed out one after another.

- Check print-out against DTC table and repair all malfunctions as necessary. CAN Bus

If "No DTC recognized" is displayed the program will return to the initial position after pressing -> button.


No DTC recognized!


Indicated on display:


Rapid data transfer HELP
Select function XX


If something else is displayed:
- End Output (Function 06)
- Switch ignition off
- Disconnect VAG 1551 from Data Link Connector (DLC).